<template>
  <div class="checkout-address">
    <div class="text">
      <div v-if="!showAddress" class="none">
        您需要先添加收货地址才可提交订单。
      </div>
      <ul v-if="showAddress">
        <li>
          <span>收<i />货<i />人：</span>{{ showAddress.receiver }}
        </li>
        <li><span>联系方式：</span>{{ showAddress.contact }}</li>
        <li>
          <span>收货地址：</span
          >{{
            showAddress.fullLocation.replace(/ /g, '') + showAddress.address
          }}
        </li>
      </ul>
      <a
        @click="openAddressEdit(showAddress)"
        v-if="showAddress"
        href="javascript:;"
        >修改地址</a
      >
    </div>
    <div class="action">
      <XtxButton @click="openDialog()" class="btn">切换地址</XtxButton>
      <XtxButton @click="openAddressEdit()" class="btn">添加地址</XtxButton>
    </div>
  </div>

  <!-- 添加地址 -->
  <AddressEdit ref="addressEdit" @on-success="successHandler" />

  <XtxDialog title="切换收货地址" v-model="dialogVisible">
    <div
      @click="selectedAddress = item"
      :class="{ active: selectedAddress && selectedAddress.id === item.id }"
      class="text item"
      v-for="item in list"
      :key="item.id"
    >
      <ul>
        <li>
          <span>收<i />货<i />人：</span>{{ item.receiver }}
        </li>
        <li>
          <span>联系方式：</span
          >{{ item.contact.replace(/^(\d{3})\d{4}(\d{4})$/, '$1****$2') }}
        </li>
        <li>
          <span>收货地址：</span
          >{{ item.fullLocation.replace(/ /g, '') + item.address }}
        </li>
      </ul>
    </div>
    <!-- vue3.0 仅支持v-slot+template写法 -->
    <template v-slot:footer>
      <XtxButton
        @click="dialogVisible = false"
        type="gray"
        style="margin-right: 20px"
        >取消</XtxButton
      >
      <XtxButton @click="confirmAddress()" type="primary">确认</XtxButton>
    </template>
  </XtxDialog>
</template>
<script>
import { ref } from 'vue-demi'
import AddressEdit from '@/views/member/pay/components/address-edit.vue'
export default {
  name: 'CheckoutAddress',
  components: { AddressEdit },
  props: {
    list: {
      type: Array,
      default: () => [],
    },
  },
  // 1. 在拥有根元素的组件中，触发自定义事件，有没有emits选项无所谓
  // 2. 如果你的组件渲染的代码片段，vue3.0规范，需要在emits中申明你所触发的自定义事件
  // 3. 提倡：你发了自定义事件，需要在emits选项申明下，代码可读性很高
  emits: ['change'],
  setup(props, { emit }) {
    // 显示的地址
    const showAddress = ref(null)
    if (props.list.length) {
      const defaultAddress = props.list.find((item) => item.isDefault === 1)
      if (defaultAddress) {
        showAddress.value = defaultAddress
      } else {
        // eslint-disable-next-line vue/no-setup-props-destructure
        showAddress.value = props.list[0]
      }
    } // 对话框显示隐藏
    const dialogVisible = ref(false)
    // 默认通知一个地址ID给父
    emit('change', showAddress.value?.id)

    // 选择的地址
    const selectedAddress = ref(null)
    // 打开对话框
    const openDialog = () => {
      dialogVisible.value = true
      selectedAddress.value = null
    }
    // 确认地址
    const confirmAddress = () => {
      dialogVisible.value = false
      showAddress.value = selectedAddress.value
      // 默认通知一个地址ID给父
      emit('change', showAddress.value?.id)
    }

    // 添加收货地址组件
    const addressEdit = ref(null)
    const openAddressEdit = (showAddress) => {
      addressEdit.value.open(showAddress)
    }

    //成功
    const successHandler = (formData) => {
      const editAddress = props.list.find((item) => item.id === formData.id)
      if (editAddress) {
        // 修改
        for (const key in editAddress) {
          editAddress[key] = formData[key]
        }
      } else {
        const json = JSON.stringify(formData) // 需要克隆下，不然使用的是对象的引用
        // eslint-disable-next-line vue/no-mutating-props
        props.list.unshift(JSON.parse(json))
      }
    }
    return {
      showAddress,
      dialogVisible,
      selectedAddress,
      openDialog,
      confirmAddress,
      addressEdit,
      openAddressEdit,
      successHandler,
    }
  },
}
</script>
<style scoped lang="less">
.xtx-dialog {
  .text {
    flex-grow: 0;
    flex-shrink: 0;
    flex: 1;
    min-height: 120px;
    align-items: center;
    &.item {
      border: 1px solid #f5f5f5;
      margin-bottom: 10px;
      cursor: pointer;
      &.active,
      &:hover {
        border-color: @xtxColor;
        background: lighten(@xtxColor, 50%);
      }
      > ul {
        padding: 10px;
        font-size: 14px;
        line-height: 30px;
      }
    }
  }
}

.checkout-address {
  border: 1px solid #f5f5f5;
  display: flex;
  align-items: center;
  .text {
    flex: 1;
    min-height: 90px;
    display: flex;
    align-items: center;
    .none {
      line-height: 90px;
      color: #999;
      text-align: center;
      width: 100%;
    }
    > ul {
      flex: 1;
      padding: 20px;
      li {
        line-height: 30px;
        span {
          color: #999;
          margin-right: 5px;
          > i {
            width: 0.5em;
            display: inline-block;
          }
        }
      }
    }
    > a {
      color: @xtxColor;
      width: 160px;
      text-align: center;
      height: 90px;
      line-height: 90px;
      border-right: 1px solid #f5f5f5;
    }
  }
  .action {
    width: 420px;
    text-align: center;
    .btn {
      width: 140px;
      height: 46px;
      line-height: 44px;
      font-size: 14px;
      &:first-child {
        margin-right: 10px;
      }
    }
  }
}
</style>
